Hairy cell leukemia (HCL) is a rare type of indolent B-cell leukemia, characterized by symptoms of fatigue and weakness, organomegaly, pancytopenia, and recurrent opportunistic infections. Classic HCL should be considered a distinct clinical entity separate from HCLvariant (HCLv), which is associated with a more aggressive disease course and may not respond to standard HCL therapies. Somatic hypermutation in the IGHV gene is present in most patients with HCL. The BRAF V600E mutation has been reported in most patients with classic HCL but not in those with other B-cell leukemias or lymphomas. Therefore, it is necessary to distinguish HCLv from classic HCL. This manuscript discusses the recommendations outlined in the NCCN Guidelines for the diagnosis and management of classic HCL.
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William G. Wierda, John C. Byrd, Jeremy S. Abramson, Seema Bhat, Greg Bociek, Danielle Brander, Jennifer Brown, Asher Chanan-Khan, Steve E. Coutre, Randall S. Davis, Christopher D. Fletcher, Brian Hill, Brad S. Kahl, Manali Kamdar, Lawrence D. Kaplan, Nadia Khan, Thomas J. Kipps, Jeffrey Lancet, Shuo Ma, Sami Malek, Claudio Mosse, Mazyar Shadman, Tanya Siddiqi, Deborah Stephens, Nina Wagner, Andrew D. Zelenetz, Mary A. Dwyer, and Hema Sundar
Therese B. Bevers, Benjamin O. Anderson, Ermelinda Bonaccio, Sandra Buys, Mary B. Daly, Peter J. Dempsey, William B. Farrar, Irving Fleming, Judy E. Garber, Randall E. Harris, Alexandra S. Heerdt, Mark Helvie, John G. Huff, Nazanin Khakpour, Seema A. Khan, Helen Krontiras, Gary Lyman, Elizabeth Rafferty, Sara Shaw, Mary Lou Smith, Theodore N. Tsangaris, Cheryl Williams, and Thomas Yankeelov
Kenneth C. Anderson, Melissa Alsina, William Bensinger, J. Sybil Biermann, Asher Chanan-Khan, Adam D. Cohen, Steven Devine, Benjamin Djulbegovic, Edward A. Faber Jr., Cristina Gasparetto, Carol Ann Huff, Adetola Kassim, Bruno C. Medeiros, Ruby Meredith, Noopur Raje, Jeffrey Schriber, Seema Singhal, George Somlo, Keith Stockerl-Goldstein, Steven P. Treon, Guido Tricot, Donna M. Weber, Joachim Yahalom, and Furhan Yunus
Mary B. Daly, Tuya Pal, Michael P. Berry, Saundra S. Buys, Patricia Dickson, Susan M. Domchek, Ahmed Elkhanany, Susan Friedman, Michael Goggins, Mollie L. Hutton, CGC, Beth Y. Karlan, Seema Khan, Catherine Klein, Wendy Kohlmann, CGC, Allison W. Kurian, Christine Laronga, Jennifer K. Litton, Julie S. Mak, LCGC, Carolyn S. Menendez, Sofia D. Merajver, Barbara S. Norquist, Kenneth Offit, Holly J. Pederson, Gwen Reiser, CGC, Leigha Senter-Jamieson, CGC, Kristen Mahoney Shannon, Rebecca Shatsky, Kala Visvanathan, Jeffrey N. Weitzel, Myra J. Wick, Kari B. Wisinski, Matthew B. Yurgelun, Susan D. Darlow, and Mary A. Dwyer
The NCCN Guidelines for Genetic/Familial High-Risk Assessment: Breast, Ovarian, and Pancreatic focus primarily on assessment of pathogenic or likely pathogenic variants associated with increased risk of breast, ovarian, and pancreatic cancer and recommended approaches to genetic testing/counseling and management strategies in individuals with these pathogenic or likely pathogenic variants. This manuscript focuses on cancer risk and risk management for BRCA-related breast/ovarian cancer syndrome and Li-Fraumeni syndrome. Carriers of a BRCA1/2 pathogenic or likely pathogenic variant have an excessive risk for both breast and ovarian cancer that warrants consideration of more intensive screening and preventive strategies. There is also evidence that risks of prostate cancer and pancreatic cancer are elevated in these carriers. Li-Fraumeni syndrome is a highly penetrant cancer syndrome associated with a high lifetime risk for cancer, including soft tissue sarcomas, osteosarcomas, premenopausal breast cancer, colon cancer, gastric cancer, adrenocortical carcinoma, and brain tumors.
NCCN Guidelines Insights: Genetic/Familial High-Risk Assessment: Breast, Ovarian, and Pancreatic, Version 1.2020
Featured Updates to the NCCN Guidelines
Mary B. Daly, Robert Pilarski, Matthew B. Yurgelun, Michael P. Berry, Saundra S. Buys, Patricia Dickson, Susan M. Domchek, Ahmed Elkhanany, Susan Friedman, Judy E. Garber, Michael Goggins, Mollie L. Hutton, Seema Khan, Catherine Klein, Wendy Kohlmann, Allison W. Kurian, Christine Laronga, Jennifer K. Litton, Julie S. Mak, Carolyn S. Menendez, Sofia D. Merajver, Barbara S. Norquist, Kenneth Offit, Tuya Pal, Holly J. Pederson, Gwen Reiser, Kristen Mahoney Shannon, Kala Visvanathan, Jeffrey N. Weitzel, Myra J. Wick, Kari B. Wisinski, Mary A. Dwyer, and Susan D. Darlow
The NCCN Guidelines for Genetic/Familial High-Risk Assessment: Breast, Ovarian, and Pancreatic provide recommendations for genetic testing and counseling for hereditary cancer syndromes, and risk management recommendations for patients who are diagnosed with syndromes associated with an increased risk of these cancers. The NCCN panel meets at least annually to review comments, examine relevant new data, and reevaluate and update recommendations. These NCCN Guidelines Insights summarize the panel’s discussion and most recent recommendations regarding criteria for high-penetrance genes associated with breast and ovarian cancer beyond BRCA1/2, pancreas screening and genes associated with pancreatic cancer, genetic testing for the purpose of systemic therapy decision-making, and testing for people with Ashkenazi Jewish ancestry.
